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Model 731A Ultra-Quiet Ultra Low Frequency Seismic Accelerometer
Brand: Wilcoxon Sensing TechnologiesTop exit, ultra low frequency seismic accelerometer, case isolated, 2-pin MIL-C-5015 connector, 10 V/g.
Features- Ultra high sensitivity
- Ultra low-noise electronics for clear signals at sub micro-g levels
- Low frequency capable
- Low pass filtered to eliminate high frequencies
- Reverse wiring protection
Specifications
Approvals & Certifications
- CE
Electrical Connectors
- Cable (J9 / J9T2A)
- Mating Connector: R6 Typical
- Output Connector: 2-Pin, MIL-C-5015 Style
Element
- Sensing Element Design: PZT Ceramic, Flexure
Enclosure, Body Material
- 316L Stainless Steel
Frequency
- Frequency Response (± 10 %): 0.10 to 300 Hz
- Frequency Response (± 3 dB): 0.05 to 450 Hz
- Resonance Frequency: 750 Hz
Mounting
- 3/8-16 Tapped Hole
Noise
- Electrical Noise, Equivalent G (Broadband: 2.5 Hz to 25 kHz): 0.5 µg
- Electrical Noise, Equivalent G (Spectral: 10 Hz): 0.01 µg/√Hz
- Electrical Noise, Equivalent G (Spectral: 100 Hz): 0.004 µg/√Hz
- Electrical Noise, Equivalent G (Spectral: 2 Hz): 0.03 µg/√Hz
Non-Linearity
- Amplitude Non-Linearity: 1 %
Output Impedence
- Maximum
Power Requirement
- 18-30 Vdc
- Current Regulating Diode: 2-10 mA
Range
- Acceleration Range: 0.5 G Peak
Seal Type
- Hermetic
Sensitivity
- Base Strain Sensitivity: 0.0001 G/μstrain
- Electromagnetic Sensitivity at 60 Hz: 20 µg/Gauss
- Sensitivity, ± 10 %, 25° C (77° F): 10 V/g
- Transverse Sensitivity: Max. 1 % of axial
Temperature Range
- -10° to 65° C (14° to 150° F)
Vibration
- Vibration Limit: 10 G Peak
Voltage
- Bias Output Voltage: 9 Vdc